Formule Pt Examen
1
h 2 = V A V P = 4 S T 2 S P R= V G +V M G V P Pt. m performante P m =G+M G + ∑ M S m Perf.grup. de fiice la speciile unipare P m = 1 2 A T + ∑ M S m Prop. Variantei: Prop.Covariantei Var ( x) =V x Cov ( x,y +z )=Cov ( x,y) + Cov ( x,z) Var ( c) =0 Cov ( x,x ) =V x Var ( c∙x )=c 2 ∙V x Cov ( x,c∙y) =c∙Cov ( x,y) Var ( x+y ) =V x +V y Cov ( x,c∙x) =c∙V x
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Transcript of Formule Pt Examen
h2=V A
V P=4ST
2
SP R=
V G+V MG
V P
Pt. m performante
Pm=G+MG+∑M S
m
Perf.grup. de fiice la speciile unipare
Pm=12AT+
∑ M S
m
Prop. Variantei: Prop.Covariantei
Var ( x )=V x Cov ( x , y+z )=Cov ( x , y )+Cov (x , z )Var (c )=0 Cov ( x , x )=V x
Var (c ∙ x )=c2 ∙V x Cov ( x , c ∙ y )=c ∙Cov ( x , y )
Var ( x+ y )=V x+V y Cov ( x , c ∙ x )=c ∙V x
